<template>
  <div
    :class="{'line': row === 1, 'lines': row > 1}"
    :title="hoverTip ? content: null"
    :style="{'--row':row}"
  >
    <slot name="pre" />
    {{ content }}
  </div>
</template>

<script>
// 超出指定行数自动隐藏文字
export default {
  name: 'Ellipsis',
  install (Vue) {
    Vue.component('ellipsis', this)
  },
  components: {},
  props: {
    row: {
      type: Number,
      default: 1
    },
    hoverTip: {
      type: Boolean,
      default: false
    },
    content: {
      type: String,
      default: ''
    }
  },
  data () {
    return {}
  },
  methods: {}
}
</script>

<style lang="less" scoped>

.line{
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lines{
  display: -webkit-box;
  word-break: break-all;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: var(--row);
  -webkit-box-orient: vertical;
}
</style>
